Petty Officer 2nd Class Robert Richey, a crewmember at Coast Guard Station Portsmouth Harbor, mans an M240B machine gun on the bow of a 47-foot Motor Lifeboat during a security escort into Portsmouth Harbor the morning of, Thursday, Feb. 23, 2017. The Motor Lifeboat crew escorted the Gibraltar-flagged LPG tanker Polar into a terminal in Portsmouth, New Hampshire. (U.S. Coast Guard photo by Petty Officer 3rd Class Andrew Barresi)